Abstract
References 1–4 develop second-order sufficient conditions for local minima of optimal control problems with state and control constraints. These second-order conditions tighten the gap between necessary and sufficient conditions by evaluating a positive-definiteness criterion on the tangent space of the active constraints. The purpose of this paper is twofold. First, we extend the methods in Refs. 3, 4 and include general boundary conditions. Then, we relate the approach to the two-norm approach developed in Ref. 5. A direct sufficiency criterion is based on a quadratic function that satisfies a Hamilton-Jacobi inequality. A specific form of such a function is obtained by applying the second-order sufficient conditions to a parametric optimization problem. The resulting second-order positive-definiteness conditions can be verified by solving Riccati equations.
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Communicated by R. Bulirsch
The authors wish to thank K. Malanowski for helpful discussions.
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Maurer, H., Pickenhain, S. Second-order sufficient conditions for control problems with mixed control-state constraints. J Optim Theory Appl 86, 649–667 (1995). https://doi.org/10.1007/BF02192163
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DOI: https://doi.org/10.1007/BF02192163